That file was renamed to ImagingExtFileFormats and Delphi package was not updated.
Fix is already in the repository.

Im'm installing on Deeelphi 10.3.3 and when I build package I receive
[dcc32 Fatal Error] VampyreImagingPackage.dpk(132): F1026 File not found: '..\Extensions\ImagingExtras.pas'

I search this file in search but it doen't exist

where I can found it?

thanks
Fabio